Patents by Inventor Karl-Heinz Kummer

Karl-Heinz Kummer has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Smelting or reduction furnace, in particular electric arc furnace with an open, semi-closed or closed configuration
    Patent number: 8262985
    Abstract: The invention relates to a melting or reduction furnace (2), in which the charge stock (9) is supplied using feed pipes (17). Each feed pipe (17) has a mouthpiece (18) that is not cooled and is configured from an uncooled wear-resistant inner guide pipe (19) and an uncooled concentric, heat-resistant outer protective pipe (20).
    Type: Grant
    Filed: June 9, 2006
    Date of Patent: September 11, 2012
    Assignee: SMS Siemag Aktiengesellschaft
    Inventors: Karl-Heinz Kummer, Dieter Borgwardt
  • Tapping channel for a metallurgical furnace
    Patent number: 7850903
    Abstract: The invention relates to a tapping channel (1) for a metallurgical furnace, particularly for an electro-reducing furnace, comprised of at least one tapping brick (10, 11, 12) and of a cooling device in the vicinity of the tapping channel (1). The cooling device is provided in the form of a sleeve (14), which indirectly cools a tapping brick (2) and which at least partially surrounds the furnace wall (3) in the vicinity thereof.
    Type: Grant
    Filed: July 11, 2006
    Date of Patent: December 14, 2010
    Assignee: SMS Siemag Aktiengesellschaft
    Inventors: Karl-Heinz Kummer, Horst-Dieter Borgwardt, Jürgen Kunze
  • Cooling Device for the Electrodes of a Metallurgical Furnace
    Publication number: 20100135351
    Abstract: A cooling device (4) for electrodes (1) of a metallurgical furnaces, such as reduction furnaces, arc furnaces, induction furnaces, etc. has at least one contact jaw (2) and a holding ring (3), and comprises a cooling shield or sealing cylinder (5) which ends in a frontal zone (9) comprising an outer ring (6), a front plate (7) and an inner ring (8), the frontal zone (9) being formed in a single piece.
    Type: Application
    Filed: August 4, 2006
    Publication date: June 3, 2010
    Inventors: Horst-Dieter Borgwardt, Karl-Heinz Kummer
  • Tapping Channel for a Metallurgical Furnace
    Publication number: 20100127023
    Abstract: The invention relates to a tapping channel (1) for a metallurgical furnace, particularly for an electro-reducing furnace, comprised of at least one tapping brick (10, 11, 12) and of a cooling device in the vicinity of the tapping channel (1). The cooling device is provided in the form of a sleeve (14), which indirectly cools a tapping brick (2) and which at least partially surrounds the furnace wall (3) in the vicinity thereof.
    Type: Application
    Filed: July 11, 2006
    Publication date: May 27, 2010
    Inventors: Karl-Heinz Kummer, Horst-Dieter Borgwardt, Jürgen Kunze
  • Smelting or reduction furnace, in particular electric arc furnace with an open, semi-closed or closed configuration
    Publication number: 20090230600
    Abstract: The invention relates to a melting or reduction furnace (2), in which the charge stock (9) is supplied using feed pipes (17). Each feed pipe (17) has a mouthpiece (18) that is not cooled and is configured from an uncooled wear-resistant inner guide pipe (19) and an uncooled concentric, heat-resistant outer protective pipe (20).
    Type: Application
    Filed: June 9, 2006
    Publication date: September 17, 2009
    Inventors: Karl-Heinz Kummer, Dieter Borgwardt
  • INDIVIDUAL SEGMENT COOLING DEVICE FOR THE ELECTRODES OF A METALLURGICAL FURNANCE
    Publication number: 20090175309
    Abstract: In a cooling device for electrodes of a metallurgical furnace, such as reduction furnace, electrical arc furnace, induction furnace, etc., which surrounds the electrodes and consists of individual segments (2, 3, 4, 5), at least one individual segment (2, 3, 4, 5) is formed with at least one hinge (7, 8). In addition, the invention relates to a method of pivoting away at least one individual segment (2, 3, 4, 5).
    Type: Application
    Filed: July 11, 2006
    Publication date: July 9, 2009
    Inventors: Horst-Dieter Borgwardt, Karl-Heinz Kummer, Christian Kempe, Siegfried Bender
  • Apparatus for Adjusting an Electrode for a Metallurgical Furnace
    Publication number: 20090010299
    Abstract: In an apparatus (1) for adjusting an electrode (5) of a metallurgical furnace, in particular a furnace for resistance operation having a furnace lid (15), comprising a clamping ring (3) and a holder ring (4, 14), the holder ring (4, 14) is designed to be arranged in the furnace lid (15).
    Type: Application
    Filed: December 7, 2006
    Publication date: January 8, 2009
    Inventors: Karl-Heinz Kummer, Jurgen Kunze, Horst-Dieter Borgwardt
  • Assembly of large structures
    Patent number: 4727959
    Abstract: Assembly equipment for rocket stages or other large structures includes three towers arranged on a circle and being circumscribed by a plurality of platforms; another platform ring is held in different levels on an inside circle, and a spiral structure is coaxially mounted for rotation on a circular track to permit access to every part of the centrally positioned structure to be assembled. An arch shaped bridge may span the top part; multiple equipment may be axially superimposed.
    Type: Grant
    Filed: March 6, 1987
    Date of Patent: March 1, 1988
    Assignee: Erno Raumfahrttechnik GmbH
    Inventor: Karl-Heinz Kummer